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BOSTON MARATHON 2025

Zach Matthews

Bib: 5116•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Division (M18-39)
#0 / 5642
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:03
Rank: #3493
Start → 5K
20:03 | 6:27/mi
10K· 6.21 mi
40:10
Rank: #3516 (-23)
5K → 10K
20:07 | 6:28/mi
15K· 9.32 mi
1:00:16
Rank: #3434 (+82)
10K → 15K
20:06 | 6:28/mi
20K· 12.43 mi
1:20:21
Rank: #3263 (+171)
15K → 20K
20:05 | 6:28/mi
Half· 13.11 mi
1:24:40
Rank: #3226 (+37)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:40:27
Rank: #3171 (+55)
Half → 25K
15:47 | 6:31/mi
30K· 18.64 mi
2:01:31
Rank: #3151 (+20)
25K → 30K
21:04 | 6:47/mi
20M
2:11:14
Rank: #3220 (-69)
30K → 20M
9:43 | 7:09/mi
21M
2:18:40
Rank: #3255 (-35)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:24:00
Rank: #3332 (-77)
21M → 35K
5:20 | 7:08/mi
23M
2:32:55
Rank: #3333 (-1)
35K → 23M
8:55 | 7:07/mi
24M
2:39:55
Rank: #3363 (-30)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
2:46:00
Rank: #3382 (-19)
24M → 40K
6:05 | 7:07/mi
25.2M
2:48:39
Rank: #3382
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:55:31
Rank: #3361 (+21)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:40
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:30:51
Pace6:56 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3520:036:2720:03
6:27
-
10K
6.21 mi10:43:4240:106:2820:07
6:28
+0:01
15K
9.32 mi11:03:481:00:166:2820:06
6:28
0:00
20K
12.43 mi11:23:531:20:216:2820:05
6:28
0:00
Half
13.11 mi11:28:121:24:406:274:19
6:20
-0:08
25K
15.53 mi11:43:591:40:276:2815:47
6:31
+0:11
30K
18.64 mi12:05:032:01:316:3121:04
6:47
+0:16
20M
20.00 mi12:14:462:11:146:349:43
7:09
+0:22
21M
21.00 mi12:22:122:18:406:367:26
7:26
+0:17
35K
21.75 mi12:27:322:24:006:375:20
7:08
-0:18
23M
23.00 mi12:36:272:32:556:398:55
7:07
-0:01
24M
24.00 mi12:43:272:39:556:407:00
7:00
-0:07
40K
24.85 mi12:49:322:46:006:416:05
7:07
+0:07
25.2M
25.20 mi12:52:112:48:396:422:39
7:41
+0:34
Finish
26.22 mi12:59:032:55:316:426:52
6:44
-0:57

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:20 /mi

Average Pace

6:42 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:27

57% of race

Time at Steady Pace

27:56

16% of race

Time at Slower Pace

47:08

27% of race

Average Pace: 6:42 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:23:3520:036:2720:03
6:27
#3493
10K
6.21 mi10:43:4240:106:2820:07
6:28
#3516
15K
9.32 mi11:03:481:00:166:2820:06
6:28
#3434
20K
12.43 mi11:23:531:20:216:2820:05
6:28
#3263
Half
13.11 mi11:28:121:24:406:274:19
6:20
#3226
25K
15.53 mi11:43:591:40:276:2815:47
6:31
#3171
30K
18.64 mi12:05:032:01:316:3121:04
6:47
#3151
20M
20.00 mi12:14:462:11:146:349:43
7:09
#3220
21M
21.00 mi12:22:122:18:406:367:26
7:26
#3255
35K
21.75 mi12:27:322:24:006:375:20
7:08
#3332
23M
23.00 mi12:36:272:32:556:398:55
7:07
#3333
24M
24.00 mi12:43:272:39:556:407:00
7:00
#3363
40K
24.85 mi12:49:322:46:006:416:05
7:07
#3382
25.2M
25.20 mi12:52:112:48:396:422:39
7:41
#3382
Finish
26.22 mi12:59:032:55:316:426:52
6:44
#3361
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3493332033203380(Top 12%)3207(Top 20%)3207(Top 57%)
10K6.21 mi3.10 mi3516-233338-183338-183554(Top 13%)3365(Top 21%)3365(Top 60%)
15K9.32 mi3.11 mi3434+823261+773261+773380(Top 12%)3207(Top 20%)3207(Top 57%)
20K12.43 mi3.11 mi3263+1713106+1553106+1552912(Top 10%)2774(Top 17%)2774(Top 49%)
Half13.11 mi0.68 mi3226+373073+333073+332712(Top 10%)2595(Top 16%)2595(Top 46%)
25K15.53 mi2.42 mi3171+553021+523021+522950(Top 10%)2806(Top 17%)2806(Top 50%)
30K18.64 mi3.11 mi3151+202996+252996+253329(Top 12%)3112(Top 19%)3112(Top 55%)
20M20.00 mi1.36 mi3220-693050-543050-544933(Top 17%)4436(Top 28%)4436(Top 79%)
21M21.00 mi1.00 mi3255-353077-273077-274284(Top 15%)3842(Top 24%)3842(Top 68%)
35K21.75 mi0.75 mi3332-773147-703147-706136(Top 22%)5158(Top 32%)5158(Top 91%)
23M23.00 mi1.25 mi3333-13143+43143+44453(Top 16%)3920(Top 24%)3920(Top 69%)
24M24.00 mi1.00 mi3363-303164-213164-214630(Top 16%)4001(Top 25%)4001(Top 71%)
40K24.85 mi0.85 mi3382-193177-133177-134567(Top 16%)3899(Top 24%)3899(Top 69%)
25.2M25.20 mi0.35 mi33823173+43173+44263(Top 15%)3619(Top 22%)3619(Top 64%)
Finish26.22 mi1.02 mi3361+213147+263147+264126(Top 15%)3529(Top 22%)3529(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3380

Males

3207

M18-39

3207

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3554

Males

3365

M18-39

3365

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3380

Males

3207

M18-39

3207

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2912

Males

2774

M18-39

2774

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2712

Males

2595

M18-39

2595

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2950

Males

2806

M18-39

2806

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3329

Males

3112

M18-39

3112

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4933

Males

4436

M18-39

4436

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4284

Males

3842

M18-39

3842

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6136

Males

5158

M18-39

5158

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4453

Males

3920

M18-39

3920

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4630

Males

4001

M18-39

4001

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4567

Males

3899

M18-39

3899

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4263

Males

3619

M18-39

3619

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4126

Males

3529

M18-39

3529

Passing Analysis

Category:
Athletes Passed
1020
Passed By
888
Net Change
+132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3493
5K → 10K128151-23#3493#3516
10K → 15K14260+82#3516#3434
15K → 20K18817+171#3434#3263
20K → Half403+37#3263#3226
Half → 25K10247+55#3226#3171
25K → 30K11494+20#3171#3151
30K → 20M38107-69#3151#3220
20M → 21M4277-35#3220#3255
21M → 35K1895-77#3255#3332
35K → 23M6263-1#3332#3333
23M → 24M3868-30#3333#3363
24M → 40K3554-19#3363#3382
40K → 25.2M20200#3382#3382
25.2M → Finish5332+21#3382#3361
TOTALS1020888+132
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing